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<FONT color="green">001</FONT>    // Copyright 2008 Waterken Inc. under the terms of the MIT X license found at<a name="line.1"></a>
<FONT color="green">002</FONT>    // http://www.opensource.org/licenses/mit-license.html<a name="line.2"></a>
<FONT color="green">003</FONT>    package org.ref_send.scope;<a name="line.3"></a>
<FONT color="green">004</FONT>    <a name="line.4"></a>
<FONT color="green">005</FONT>    import java.io.Serializable;<a name="line.5"></a>
<FONT color="green">006</FONT>    <a name="line.6"></a>
<FONT color="green">007</FONT>    import org.joe_e.Selfless;<a name="line.7"></a>
<FONT color="green">008</FONT>    import org.joe_e.array.ConstArray;<a name="line.8"></a>
<FONT color="green">009</FONT>    <a name="line.9"></a>
<FONT color="green">010</FONT>    /**<a name="line.10"></a>
<FONT color="green">011</FONT>     * A &lt;code&gt;{ name : value }&lt;/code&gt; record.<a name="line.11"></a>
<FONT color="green">012</FONT>     * @param &lt;T&gt; nominal type<a name="line.12"></a>
<FONT color="green">013</FONT>     */<a name="line.13"></a>
<FONT color="green">014</FONT>    public class<a name="line.14"></a>
<FONT color="green">015</FONT>    Scope&lt;T&gt; implements Selfless, Serializable {<a name="line.15"></a>
<FONT color="green">016</FONT>        static private final long serialVersionUID = 1L;<a name="line.16"></a>
<FONT color="green">017</FONT>    <a name="line.17"></a>
<FONT color="green">018</FONT>        /**<a name="line.18"></a>
<FONT color="green">019</FONT>         * structural type<a name="line.19"></a>
<FONT color="green">020</FONT>         */<a name="line.20"></a>
<FONT color="green">021</FONT>        public final Layout&lt;T&gt; meta;<a name="line.21"></a>
<FONT color="green">022</FONT>    <a name="line.22"></a>
<FONT color="green">023</FONT>        /**<a name="line.23"></a>
<FONT color="green">024</FONT>         * each corresponding value<a name="line.24"></a>
<FONT color="green">025</FONT>         */<a name="line.25"></a>
<FONT color="green">026</FONT>        public final ConstArray&lt;?&gt; values;<a name="line.26"></a>
<FONT color="green">027</FONT>    <a name="line.27"></a>
<FONT color="green">028</FONT>        Scope(final Layout&lt;T&gt; meta, final ConstArray&lt;?&gt; values) {<a name="line.28"></a>
<FONT color="green">029</FONT>            if (meta.names.length()!=values.length()){throw new RuntimeException();}<a name="line.29"></a>
<FONT color="green">030</FONT>    <a name="line.30"></a>
<FONT color="green">031</FONT>            this.meta = meta;<a name="line.31"></a>
<FONT color="green">032</FONT>            this.values = values;<a name="line.32"></a>
<FONT color="green">033</FONT>        }<a name="line.33"></a>
<FONT color="green">034</FONT>        <a name="line.34"></a>
<FONT color="green">035</FONT>        /**<a name="line.35"></a>
<FONT color="green">036</FONT>         * Constructs an instance.<a name="line.36"></a>
<FONT color="green">037</FONT>         * @param meta      {@link #meta}<a name="line.37"></a>
<FONT color="green">038</FONT>         * @param values    {@link #values}<a name="line.38"></a>
<FONT color="green">039</FONT>         */<a name="line.39"></a>
<FONT color="green">040</FONT>        static public &lt;T&gt; Scope&lt;T&gt;<a name="line.40"></a>
<FONT color="green">041</FONT>        make(final Layout&lt;T&gt; meta, final ConstArray&lt;?&gt; values) {<a name="line.41"></a>
<FONT color="green">042</FONT>            return new Scope&lt;T&gt;(meta, values);<a name="line.42"></a>
<FONT color="green">043</FONT>        }<a name="line.43"></a>
<FONT color="green">044</FONT>    <a name="line.44"></a>
<FONT color="green">045</FONT>        // java.lang.Object interface<a name="line.45"></a>
<FONT color="green">046</FONT>    <a name="line.46"></a>
<FONT color="green">047</FONT>        /**<a name="line.47"></a>
<FONT color="green">048</FONT>         * Is the given object equal to this one?<a name="line.48"></a>
<FONT color="green">049</FONT>         * @param o compared to object<a name="line.49"></a>
<FONT color="green">050</FONT>         * @return {@code true} if equal, else {@code false}<a name="line.50"></a>
<FONT color="green">051</FONT>         */<a name="line.51"></a>
<FONT color="green">052</FONT>        public boolean<a name="line.52"></a>
<FONT color="green">053</FONT>        equals(final Object o) {<a name="line.53"></a>
<FONT color="green">054</FONT>            return o instanceof Scope &amp;&amp;<a name="line.54"></a>
<FONT color="green">055</FONT>                   values.equals(((Scope&lt;?&gt;)o).values) &amp;&amp;<a name="line.55"></a>
<FONT color="green">056</FONT>                   meta.names.equals(((Scope&lt;?&gt;)o).meta.names);<a name="line.56"></a>
<FONT color="green">057</FONT>        }<a name="line.57"></a>
<FONT color="green">058</FONT>    <a name="line.58"></a>
<FONT color="green">059</FONT>        /**<a name="line.59"></a>
<FONT color="green">060</FONT>         * Calculates the hash code.<a name="line.60"></a>
<FONT color="green">061</FONT>         */<a name="line.61"></a>
<FONT color="green">062</FONT>        public int<a name="line.62"></a>
<FONT color="green">063</FONT>        hashCode() { return 0x4EF5C09E + meta.hashCode() + values.hashCode(); }<a name="line.63"></a>
<FONT color="green">064</FONT>    <a name="line.64"></a>
<FONT color="green">065</FONT>        // org.ref_send.scope.Scope interface<a name="line.65"></a>
<FONT color="green">066</FONT>    <a name="line.66"></a>
<FONT color="green">067</FONT>        /**<a name="line.67"></a>
<FONT color="green">068</FONT>         * Gets the corresponding value.<a name="line.68"></a>
<FONT color="green">069</FONT>         * @param name  name to lookup<a name="line.69"></a>
<FONT color="green">070</FONT>         * @return corresponding value, or {@code null} if none<a name="line.70"></a>
<FONT color="green">071</FONT>         */<a name="line.71"></a>
<FONT color="green">072</FONT>        public &lt;R&gt; R<a name="line.72"></a>
<FONT color="green">073</FONT>        get(final String name) {<a name="line.73"></a>
<FONT color="green">074</FONT>            final int i = meta.find(name);<a name="line.74"></a>
<FONT color="green">075</FONT>            if (-1 == i) { return null; }<a name="line.75"></a>
<FONT color="green">076</FONT>            final @SuppressWarnings("unchecked") R r = (R)values.get(i);<a name="line.76"></a>
<FONT color="green">077</FONT>            return r;<a name="line.77"></a>
<FONT color="green">078</FONT>        }<a name="line.78"></a>
<FONT color="green">079</FONT>    }<a name="line.79"></a>




























































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